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Commit ad2b8589 authored by Max Kellermann's avatar Max Kellermann Committed by Max Kellermann
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util/ForeignFifoBuffer: add friend function swap()

parent d7aa4fa7
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src/util/ForeignFifoBuffer.hxx
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...@@ -90,6 +90,10 @@ public: ...@@ -90,6 +90,10 @@ public:
swap(data, other.data); swap(data, other.data);
} }
friend void swap(ForeignFifoBuffer<T> &a, ForeignFifoBuffer<T> &b) noexcept {
a.swap(b);
}
constexpr bool IsNull() const noexcept { constexpr bool IsNull() const noexcept {
return data == nullptr; return data == nullptr;
} }
......
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